R12.1.3 : Error during apply patch 19030202

Hello,

Getting the error annex in the file u19030202.drv.log during the patch 19030202.


Log file is showing :


-------------------------------------------
APPL_TOP is set to /u01/appltier/R12PTC/apps/apps_st/appl

Options = "hotpatch".


Connecting to APPLSYS......Connected successfully.

Current installed release is  12.1.3

Connecting to APPS......Connected successfully.


AutoPatch error:
--------
Missing prerequisite codelevel for entity 'ad'.

This patch requires the following codelevel or higher: 'R12.AD.B.5'.
The current on-site codelevel for the entity 'ad' is : 'R12.AD.B.3'.

In order to apply this patch you must first apply a patch that introduces
at least the minimum required codelevel.